Kathleen Alice Mattea is an American country music and bluegrass singer. Active since 1984 as a recording artist, she has charted more than 30 singles on the Billboard Hot Country Songs charts, including four that reached No. 1: "Goin' Gone", "Eighteen Wheels and a Dozen Roses", "Come from the Heart", and "Burnin' Old Memories", plus 12 more that charted within the top ten. She has released 14 studio albums, two Christmas albums, and one greatest hits album. Most of her material was recorded for Universal Music Group Nashville's Mercury Records Nashville 8division between 1984 and 2000, with later albums being issued on Narada Productions, her own Captain Potato label, and Sugar Hill Records. Among her albums, she has received five gold certifications and one platinum certification from the Recording Industry Association of America (RIAA). She has collaborated with Dolly Parton, Michael McDonald, Tim O'Brien, and her husband, Jon Vezner. Mattea is also a two-time Grammy Award winner: in 1990 for "Where've You Been", and in 1993 for her Christmas album Good News. Her style is defined by traditional country, bluegrass, folk, and Celtic music influences.

Timothy O'Brien is an American country and bluegrass musician. In addition to singing, he plays guitar, fiddle, mandolin, banjo, bouzouki and mandocello. He has released more than ten studio albums, in addition to charting a duet with Kathy Mattea entitled "The Battle Hymn of Love", a No. 9 hit on the Billboard Hot Country Singles & Tracks charts in 1990. In November 2013 he was inducted into the West Virginia Music Hall of Fame.